$OpenBSD: patch-third_party_ffmpeg_libavutil_cpu_c,v 1.2 2015/05/06 14:27:24 robert Exp $
--- third_party/ffmpeg/libavutil/cpu.c.orig.port	Thu Feb 20 21:29:10 2014
+++ third_party/ffmpeg/libavutil/cpu.c	Fri Feb 21 19:39:55 2014
@@ -33,10 +33,7 @@
 #if HAVE_GETPROCESSAFFINITYMASK
 #include <windows.h>
 #endif
-#if HAVE_SYSCTL
-#if HAVE_SYS_PARAM_H
-#include <sys/param.h>
-#endif
+#if HAVE_SYSCTL && !defined(__OpenBSD__)
 #include <sys/types.h>
 #include <sys/sysctl.h>
 #endif
